All names: SDSS J134213.05+614538.2, LSPM J1342+6145S, Gaia DR2 1664401914277704192, WDS J13423+6146B, ** LDS 2681B, Gaia EDR3 1664401914277704192, LP 96-209, G 238-47B, NLTT 34989, SDSS J134213.06+614538.2, Gaia DR3 1664401914277704192, WDJ134213.06+614538.42, WDJ134213.06+614538.41
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 42 12.97 (0.05) | 13 42 12.97 | 13 42 12.97 | 13 42 13.06 (0.05) | 13 42 12.97 | |||||
| Declination | 61 45 34.72 (0.04) | 61 45 34.84 | 61 45 34.72 | 61 45 38.41 (0.04) | 61 45 34.84 | |||||
| Spectral type | DZ: | DZ | ||||||||
| Effective temperature | [K] | 6430.0 | 6215.0 | 6898.0 (56) | ||||||
| log(g) | [cgs] | 8.11 | 8.00 | 8.29 (0.01) | ||||||
| Mass | [M☉] | 0.659 | 0.571 | 0.764 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 2.3930 | 2.1660 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 23.19 (0.05) | 23.19 (0.06) | 23.19 | 23.19 (0.05) | 23.19 (0.06) | ||||
| Distance | [pc] | 43.13 (0.09) | 43.11 (0.1) | 43.13 | 43.13 (0.09) | 43.11 (0.1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -42.91902927 (0.07) | -42.9978471 (0.1) | -42.919 (0.07) | -42.9978471 | |||||
| Proper motion (declination) | [mas/yr] | -230.7105875 (0.05) | -230.8580482 (0.09) | -230.711 (0.05) | -230.8580482 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.00 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 15.10 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 17.95 (0.01) | 17.94 (0.01) | ||||||||
| g magnitude | 17.36 (0.005) | 17.31 (0.005) | ||||||||
| r magnitude | 17.10 (0.005) | 17.04 (0.005) | ||||||||
| i magnitude | 16.96 (0.005) | 17.08 (0.007) | ||||||||
| z magnitude | 17.07 (0.01) | 17.11 (0.02) | ||||||||
| G magnitude | 17.11 (0.007) | 17.12 | 17.11 | 17.11 (0.003) | 17.12 | |||||
| BP magnitude | 17.29 (0.007) | 17.29 | 17.29 | |||||||
| RP magnitude | 16.61 (0.01) | 16.61 | 16.61 | |||||||
| Pan g magnitude | 17.32 (0.003) | |||||||||
| Pan r magnitude | 17.11 (0.008) | |||||||||
| Pan i magnitude | 17.00 (0.007) | |||||||||
| Pan z magnitude | 17.03 (0.006) | |||||||||
| Pan y magnitude | 16.73 (0.09) | |||||||||
| E(B-V) | 0.004 | |||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.